diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2c73468..cd9b896e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change log
 
+## 9.3.0.21-LTS (2024-09)
+
+* Updated to MQ version 9.3.0.21
+
 ## 9.3.0.20-LTS (2024-07)
 
 * Updated to MQ version 9.3.0.20